| article html file updated | 6 February 2020 16:54 CET | Update | https://www.mdpi.com/1911-8074/8/1/150 |
| article html file updated | 20 September 2019 19:11 CEST | Update | N/A |
| article html file updated | 6 May 2019 23:14 CEST | Update | N/A |
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| article html file updated | 3 September 2015 10:17 CEST | Original file | N/A |
| article xml file uploaded | 3 September 2015 10:17 CEST | Original file | https://www.mdpi.com/1911-8074/8/1/150/xml |
| article pdf uploaded. | 23 March 2015 15:54 CET | Version of Record | https://www.mdpi.com/1911-8074/8/1/150/pdf |
